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| author | Quinn Tran <quinn.tran@cavium.com> | 2017-06-13 20:47:28 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-27 21:21:41 -0400 |
| commit | 60a9eadb19f33a7b3e183207b5b5e1d01d8a6add (patch) | |
| tree | 9f5eab016284f947ae30545fad93f3d230bd3bca /drivers/scsi/qla2xxx/qla_dfs.c | |
| parent | b5399f7d80a249fafa870d8da9fcd0d077d943b9 (diff) | |
| download | talos-op-linux-60a9eadb19f33a7b3e183207b5b5e1d01d8a6add.tar.gz talos-op-linux-60a9eadb19f33a7b3e183207b5b5e1d01d8a6add.zip | |
scsi: qla2xxx: Move target stat counters from vha to qpair.
Move counters to qpair to reduce cache miss.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dfs.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_dfs.c | 48 |
1 files changed, 39 insertions, 9 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index 63d7374dce77..d231e7156134 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -164,26 +164,56 @@ static int qla_dfs_tgt_counters_show(struct seq_file *s, void *unused) { struct scsi_qla_host *vha = s->private; + struct qla_qpair *qpair = vha->hw->base_qpair; + uint64_t qla_core_sbt_cmd, core_qla_que_buf, qla_core_ret_ctio, + core_qla_snd_status, qla_core_ret_sta_ctio, core_qla_free_cmd, + num_q_full_sent, num_alloc_iocb_failed, num_term_xchg_sent; + u16 i; + + qla_core_sbt_cmd = qpair->tgt_counters.qla_core_sbt_cmd; + core_qla_que_buf = qpair->tgt_counters.core_qla_que_buf; + qla_core_ret_ctio = qpair->tgt_counters.qla_core_ret_ctio; + core_qla_snd_status = qpair->tgt_counters.core_qla_snd_status; + qla_core_ret_sta_ctio = qpair->tgt_counters.qla_core_ret_sta_ctio; + core_qla_free_cmd = qpair->tgt_counters.core_qla_free_cmd; + num_q_full_sent = qpair->tgt_counters.num_q_full_sent; + num_alloc_iocb_failed = qpair->tgt_counters.num_alloc_iocb_failed; + num_term_xchg_sent = qpair->tgt_counters.num_term_xchg_sent; + + for (i = 0; i < vha->hw->max_qpairs; i++) { + qpair = vha->hw->queue_pair_map[i]; + qla_core_sbt_cmd += qpair->tgt_counters.qla_core_sbt_cmd; + core_qla_que_buf += qpair->tgt_counters.core_qla_que_buf; + qla_core_ret_ctio += qpair->tgt_counters.qla_core_ret_ctio; + core_qla_snd_status += qpair->tgt_counters.core_qla_snd_status; + qla_core_ret_sta_ctio += + qpair->tgt_counters.qla_core_ret_sta_ctio; + core_qla_free_cmd += qpair->tgt_counters.core_qla_free_cmd; + num_q_full_sent += qpair->tgt_counters.num_q_full_sent; + num_alloc_iocb_failed += + qpair->tgt_counters.num_alloc_iocb_failed; + num_term_xchg_sent += qpair->tgt_counters.num_term_xchg_sent; + } seq_puts(s, "Target Counters\n"); seq_printf(s, "qla_core_sbt_cmd = %lld\n", - vha->tgt_counters.qla_core_sbt_cmd); + qla_core_sbt_cmd); seq_printf(s, "qla_core_ret_sta_ctio = %lld\n", - vha->tgt_counters.qla_core_ret_sta_ctio); + qla_core_ret_sta_ctio); seq_printf(s, "qla_core_ret_ctio = %lld\n", - vha->tgt_counters.qla_core_ret_ctio); + qla_core_ret_ctio); seq_printf(s, "core_qla_que_buf = %lld\n", - vha->tgt_counters.core_qla_que_buf); + core_qla_que_buf); seq_printf(s, "core_qla_snd_status = %lld\n", - vha->tgt_counters.core_qla_snd_status); + core_qla_snd_status); seq_printf(s, "core_qla_free_cmd = %lld\n", - vha->tgt_counters.core_qla_free_cmd); + core_qla_free_cmd); seq_printf(s, "num alloc iocb failed = %lld\n", - vha->tgt_counters.num_alloc_iocb_failed); + num_alloc_iocb_failed); seq_printf(s, "num term exchange sent = %lld\n", - vha->tgt_counters.num_term_xchg_sent); + num_term_xchg_sent); seq_printf(s, "num Q full sent = %lld\n", - vha->tgt_counters.num_q_full_sent); + num_q_full_sent); /* DIF stats */ seq_printf(s, "DIF Inp Bytes = %lld\n", |
